<?php

namespace PHPExcel\Chart;

/**
 * PHPExcel_Chart_PlotArea
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * @category PHPExcel
 * @package PHPExcel_Chart
 * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
 * @version ##VERSION##, ##DATE##
 */
class PlotArea {
    /**
     * PlotArea Layout
     *
     * @var Layout
     */
    private $layout = null;
    
    /**
     * Plot Series
     *
     * @var array of DataSeries
     */
    private $plotSeries = array();
    
    /**
     * Create a new PlotArea
     */
    public function __construct(Layout $layout = null, $plotSeries = array()) {
        $this->layout = $layout;
        $this->plotSeries = $plotSeries;
    }
    
    /**
     * Get Layout
     *
     * @return Layout
     */
    public function getLayout() {
        return $this->layout;
    }
    
    /**
     * Get Number of Plot Groups
     *
     * @return array of DataSeries
     */
    public function getPlotGroupCount() {
        return count($this->plotSeries);
    }
    
    /**
     * Get Number of Plot Series
     *
     * @return integer
     */
    public function getPlotSeriesCount() {
        $seriesCount = 0;
        foreach ( $this->plotSeries as $plot ) {
            $seriesCount += $plot->getPlotSeriesCount();
        }
        return $seriesCount;
    }
    
    /**
     * Get Plot Series
     *
     * @return array of DataSeries
     */
    public function getPlotGroup() {
        return $this->plotSeries;
    }
    
    /**
     * Get Plot Series by Index
     *
     * @return DataSeries
     */
    public function getPlotGroupByIndex($index) {
        return $this->plotSeries[$index];
    }
    
    /**
     * Set Plot Series
     *
     * @param
     *            DataSeries[]
     * @return PlotArea
     */
    public function setPlotSeries($plotSeries = array()) {
        $this->plotSeries = $plotSeries;
        
        return $this;
    }
    public function refresh(\PHPExcel\Worksheet $worksheet) {
        foreach ( $this->plotSeries as $plotSeries ) {
            $plotSeries->refresh($worksheet);
        }
    }
}
